Aggregate crushing device for cement stabilized macadam

Abstract

An aggregate crushing device for cement stabilized macadam comprises a box body, two crushing teeth are rotationally installed in the box body, a feeding port is formed in the top of the box body, a discharging port is formed in the bottom of the box body, a feeding mechanism is installed at the discharging port in a communicating mode, the feeding mechanism can convey aggregate to the feeding port again, and a motor for driving the crushing teeth to rotate is fixedly arranged on the box body. A cylinder is arranged below the crushing teeth and fixedly installed on the box body, a feeding port is formed in the cylinder, a funnel is fixedly arranged at the feeding port, one side of the cylinder is open, and a screen drum is rotationally installed on the cylinder through a bearing. The vibrating screen is simple in structure and ingenious in conception, the rotating screen drum and the baffle are arranged, the baffle can raise large and small particles which are mixed together and then fall down to separate the particles, the screening effect is improved, when the screen drum rotates, large-particle broken stones clamped in screen holes can fall down under the action of gravity, the cleaning effect is achieved, and the vibrating screen is convenient to use. And small-particle broken stones can pass through conveniently, market requirements can be met, and popularization is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of building construction, specifically, a kind of aggregate crushing device for cement stabilized macadam. BACKGROUND

[0002] Concrete is artificial stone material, which is made of cement as main cementitious material, sand and stone as aggregate, and mixed with chemical admixture and mineral admixture if necessary, and is formed by uniform mixing, compacting and curing hardening according to appropriate proportion, and is important building material. Natural stones are of different sizes and do not meet the standard of building materials, so they cannot be directly used as aggregate and need to be processed and crushed. The patent with the authorization announcement number CN215694362U discloses an aggregate crushing device for cement stabilized macadam, which can crush cement aggregate. However, when using the device, the crushed stones of different sizes are mixed together when passing through the screen plate, which leads to insufficient screening of small particles and poor screening effect. Moreover, large particles are easily stuck in the screen holes, affecting the passage of small particles. Therefore, the utility model provides an aggregate crushing device for cement stabilized macadam. SUMMARY

[0003] The utility model provides an aggregate crushing device for cement stabilized macadam to solve the defects in the prior art.

[0004] The utility model is implemented by the following technical solutions:

[0005] An aggregate crushing device for cement stabilized macadam, comprising a box body, two crushing teeth are rotatably installed in the box body, a feeding port is formed in the top of the box body, and a discharging port is formed in the bottom of the box body. An upper feeding mechanism is connected to the discharging port, which can transport the aggregate to the feeding port again. A motor is fixedly installed on the box body to drive the rotation of the crushing teeth. A cylinder is fixedly installed on the box body below the crushing teeth. An inlet is formed in the cylinder, and a hopper is fixedly installed at the inlet. The cylinder is rotatably installed on one side through a bearing, and the screen cylinder is rotatably installed on the other side through a bearing. The same rotating shaft is rotatably installed in the cylinder and the screen cylinder. The rotating shaft is rotatably installed on the box body and the cylinder through a bearing. The output shaft of the motor can drive the rotation of the rotating shaft through a transmission mechanism. The rotating shaft in the cylinder is fixedly provided with a coaxial spiral vane on the outer periphery. A plurality of baffles are fixedly installed on the inner periphery of the screen cylinder. The baffles are fixedly installed on the rotating shaft through connecting rods. A collection bin is arranged at the bottom of the screen cylinder, which can be taken out from the box body.

[0006] The aggregate crushing device for cement stabilized macadam as described above, wherein the feeding port is connected to a feeding hopper, and a plurality of baffles are fixedly installed in the feeding hopper.

[0007] The feeding mechanism comprises a feeding cylinder fixedly installed on the box body, a first motor fixedly installed on the feeding cylinder, a coaxial first rotating shaft fixedly installed on the output shaft of the first motor, the first rotating shaft being rotatably installed on the feeding cylinder, and a coaxial first spiral blade being fixedly arranged on the outer periphery of the first rotating shaft.

[0008] The crushing teeth are provided with coaxial second rotating shafts on the inner periphery thereof, one end of one of the second rotating shafts is fixedly connected to the output shaft of the motor and coaxially arranged, and the other end of the second rotating shafts penetrates through the box body and is fixedly installed with the gear wheels in meshing cooperation.

[0009] The transmission mechanism comprises a first sprocket fixedly installed on one of the second rotating shafts and coaxially arranged, and a coaxial second sprocket fixedly installed on the rotating shaft penetrating through the box body, and the first sprocket and the second sprocket are connected through the chain transmission.

[0010] The outer periphery of the screen cylinder is slidably sleeved with a coaxial first screen cylinder, the screen holes on the screen cylinder are correspondingly arranged with the screen holes on the first screen cylinder, and the limiting mechanism for limiting the sliding of the first screen cylinder is arranged on the screen cylinder.

[0011] The limiting mechanism comprises threaded holes, a plurality of threaded holes are arranged on the two ends of the screen cylinder, and a plurality of insertion holes are arranged on the two ends of the first screen cylinder, and the insertion holes are respectively inserted and connected with the bolts in threaded cooperation.

[0012] The utility model discloses a simple structure and ingenious design, the size particle mixed together is separated by the rotating screen cylinder and baffle, the screening effect is improved, the big particle crushed stone is cleaned in the gravity of the screen hole when the screen cylinder rotates, the small particle crushed stone is convenient for passing, can satisfy market demand, is suitable for promotion. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings described in the following are some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor.

[0014] Figure 1 It is a structural schematic view of the present application; Figure 2 It is Figure 1 A view of the present application; Figure 3 It is Figure 1 B view of the present application; Figure 4 It is Figure 1 I partial enlarged view of the present application.

[0015] Reference signs: 1, box, 2, crushing teeth, 3, feed inlet, 4, discharge outlet, 5, motor, 6, cylinder, 7, inlet, 8, hopper, 9, screen cylinder, 10, rotating shaft, 11, spiral blade, 12, baffle, 13, material collecting bin, 20, feed hopper, 21, baffle, 30, feeding cylinder, 31, first motor, 32, first rotating shaft, 33, first spiral blade, 34, first feed inlet, 35, first discharge outlet, 36, connecting plate, 37, first baffle, 40, second rotating shaft, 41, gear, 50, first sprocket, 51, second sprocket, 52, chain, 60, first screen cylinder, 70, screw hole, 71, insertion hole, 72, bolt. DETAILED DESCRIPTION

[0016] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the following will combine the drawings in the embodiments of the present application to clearly and completely describe the technical scheme in the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0017] A kind of aggregate crushing device for cement stabilized macadam, such as Figure 1 、 2The utility model discloses a bone aggregate screening device, as shown in the drawings 1, 2, 3, 4, including the box 1, two crushing teeth 2 are installed rotatably in the box 1, the top of box 1 is equipped with feeding port 3, and the bottom is equipped with discharge port 4, and the discharge port 4 is connected with the installation of upper mechanism, and the upper mechanism can convey the aggregate to the feeding port 3 again, the motor 5 for driving the rotation of crushing tooth 2 is fixedly arranged on the box 1, the lower side of crushing tooth 2 is equipped with cylinder 6, and the cylinder 6 is fixedly installed on the box 1, the inlet 7 is formed in the cylinder 6, and the hopper 8 is fixedly arranged at the inlet 7, the hopper 8 is fixedly installed on the box 1, the side of cylinder 6 is open and is rotatably installed with screen cylinder 9 through bearing, the inner periphery of screen cylinder 9 is fixedly connected with bearing, and the outer periphery of bearing is fixedly installed on the cylinder 6, and the side of screen cylinder 9 is rotatably installed at the discharge port 4 through bearing, the inner periphery of screen cylinder 9 is fixedly connected with bearing, and the outer periphery of bearing is fixedly installed on the box 1, the same rotating shaft 10 is rotatably arranged in the cylinder 6 and screen cylinder 9, the cylinder 6, screen cylinder 9 and rotating shaft 10 are coaxially arranged, the rotating shaft 10 is rotatably installed on the box 1 and cylinder 6 through bearing, the output shaft of motor 5 can drive the rotation of rotating shaft 10 through transmission mechanism, the outer periphery of rotating shaft 10 in the cylinder 6 is fixedly provided with coaxial helical blade 11, a plurality of baffle plates 12 are fixedly installed on the inner periphery of screen cylinder 9, the baffle plates 12 are evenly distributed in circumference, and the baffle plates 12 are fixedly installed on the rotating shaft 10 through connecting rod respectively, and the bottom side of screen cylinder 9 is equipped with material collecting bin 13, and the material collecting bin 13 can be taken out from the box 1.The utility model discloses simple structure, clever design, through setting up the rotation of screen cylinder 9 and baffle plate 12, baffle plate 12 can separate the size of the particle mixed together and lift again and make it separate, improve screening effect, when screen cylinder 9 rotates, the big particle of the gravel stuck in the screen hole can fall down under the action of gravity, play the effect of cleaning, facilitate the small particle of the gravel to pass through, can satisfy market demand, is suitable for promotion.The utility model discloses when using, first drive two crushing teeth 2 to rotate through motor 5, and motor 5 can drive the rotation of rotating shaft 10, helical blade 11 and screen cylinder 9 through transmission mechanism, and the aggregate is put into feeding port 3, and the aggregate is broken into the size of the particle gravel after being broken by crushing tooth 2, and the gravel falls into the cylinder 6 and can move to screen cylinder 9 through the pushing of helical blade 11, baffle plate 12 can constantly lift the gravel, so that the size of the particle separates, and the small particle of the gravel falls into the material collecting bin 13 below through the screen hole on screen cylinder 9, and the big particle of the gravel moves to the discharge port 4 under the driving of screen cylinder 9 and returns to feeding port 3 again through upper mechanism to be broken for the second time, until the requirement of passing through the screen hole is met.

[0018] Specifically, as shown in the drawings, the feeding port 3 is connected with the fixed installation of the feeding hopper 20, and a plurality of baffle plates 21 are fixedly arranged in the feeding hopper 20 and are inclined. The setting of the feeding hopper 20 facilitates the feeding of the aggregate into the box 1, and the baffle plates 21 can prevent the gravel produced during the crushing of the aggregate from splashing outward and can also play a dust-reducing role.

[0019] Specifically, as shown in the drawings, the feeding mechanism comprises a feeding cylinder 30, the feeding cylinder 30 is fixedly installed on the box body 1, a first motor 31 is fixedly installed on the feeding cylinder 30, a coaxial first rotating shaft 32 is fixedly installed on the output shaft of the first motor 31, the first rotating shaft 32 is rotatably installed on the feeding cylinder 30, the two ends of the first rotating shaft 32 are rotatably installed on the feeding cylinder 30 through bearings, a coaxial first spiral blade 33 is fixedly arranged on the outer periphery of the first rotating shaft 32, a first feeding port 34 is arranged at the bottom of the feeding cylinder 30, a first discharging port 35 is arranged at the top of the feeding cylinder 30, the first feeding port 34 is connected with the discharging port 4 in communication, the first discharging port 35 is connected with the feeding hopper 20 in communication through a connecting plate 36, one end of the connecting plate 36 is fixedly installed on the feeding cylinder 30, the other end of the connecting plate 36 is fixedly installed on the feeding hopper 20, and first baffles 37 are arranged on the front and back sides of the connecting plate 36. The output shaft of the first motor 31 can drive the first rotating shaft 32 and the first spiral blade 33 to rotate, the first spiral blade 33 can convey the aggregate at the bottom of the feeding cylinder 30 to the first discharging port 35, and then convey the aggregate to the feeding hopper 20 through the connecting plate 36, so that the aggregate is crushed again, and the first baffles 37 can prevent the aggregate from falling from the front and back sides.

[0020] Further, as shown in the drawings, the crushing teeth 2 are respectively fixedly provided with coaxial second rotating shafts 40 on the inner periphery, the second rotating shafts 40 are respectively rotatably installed on the box body 1, one end of one of the second rotating shafts 40 is fixedly connected with the output shaft of the motor 5 and coaxially arranged, and the other end of the second rotating shaft 40 respectively penetrates through the box body 1 and is fixedly installed with gear wheels 41 that are in meshing engagement. The output shaft of the motor 5 can drive one of the second rotating shafts 40 to rotate, and the second rotating shaft 40 can drive two crushing teeth 2 to rotate through the two gear wheels 41 that are in meshing engagement.

[0021] Further, as shown in the drawings, the transmission mechanism comprises a first sprocket 50, the first sprocket 50 is fixedly installed on one of the second rotating shafts 40 and coaxially arranged, a second sprocket 51 coaxial with the rotating shaft 10 is fixedly installed on the box body 1, and the first sprocket 50 and the second sprocket 51 are drivingly connected through a chain 52. When the output shaft of the motor 5 drives the second rotating shaft 40 to rotate, the first sprocket 50 can be driven to rotate, and the first sprocket 50 can drive the second sprocket 51 and the rotating shaft 10 to rotate through the chain 52.

[0022] Further, as shown in the drawings, the outer periphery sliding sleeve of the screen cylinder 9 is provided with a coaxial first screen cylinder 60, the screen holes on the screen cylinder 9 are correspondingly arranged with the screen holes on the first screen cylinder 60, and the screen cylinder 9 is provided with a limiting mechanism for limiting the sliding of the first screen cylinder 60. By rotating the first screen cylinder 60 on the outside to dislocate the corresponding screen holes, the size of the screen holes can be changed, which is convenient for adjusting the crushing of aggregate particles with different requirements, and the sliding process can also clean the gravel particles stuck on the screen cylinder 9, which is convenient for use.

[0023] Further, as shown in the drawings, the limiting mechanism comprises threaded holes 70, a plurality of threaded holes 70 are respectively arranged at two ends of the screen cylinder 9, and a plurality of insertion holes 71 are respectively arranged at two ends of the first screen cylinder 60, bolts 72 are respectively inserted and matched in the insertion holes 71, and the bolts 72 are threadedly matched with the corresponding threaded holes 70. By inserting the bolts 72 through the insertion holes 71 into different threaded holes 70, the first screen cylinder 60 can be limited, and the corresponding screen holes can be dislocated.

[0024] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. An aggregate crushing device for cement stabilized macadam, comprising a box body (1), two crushing teeth (2) are rotatably installed in the box body (1), a feeding port (3) is formed at the top of the box body (1), a discharging port (4) is formed at the bottom of the box body (1), a feeding mechanism is communicatively installed at the discharging port (4), the feeding mechanism can feed the aggregate to the feeding port (3) again, a motor (5) for driving the crushing teeth (2) to rotate is fixedly arranged on the box body (1), characterized in that: The lower part of the crushing tooth (2) is provided with a cylinder (6), the cylinder (6) is fixedly installed on the box (1), the inlet (7) is formed in the cylinder (6), the hopper (8) is fixedly arranged at the inlet (7), the cylinder (6) is open on one side and the screen cylinder (9) is rotatably installed through the bearing, one side of the screen cylinder (9) is rotatably installed at the discharge port (4) through the bearing, the same rotating shaft (10) is rotatably arranged in the cylinder (6) and the screen cylinder (9), the rotating shaft (10) is rotatably installed on the box (1) and the cylinder (6) through the bearing, the output shaft of the motor (5) can drive the rotating shaft (10) to rotate through the transmission mechanism, the outer periphery of the rotating shaft (10) in the cylinder (6) is fixedly provided with the coaxial spiral blade (11), the inner periphery of the screen cylinder (9) is fixedly installed with a plurality of baffles (12), the baffles (12) are respectively fixedly installed on the rotating shaft (10) through connecting rods, the bottom side of the screen cylinder (9) is provided with a material collecting bin (13), the material collecting bin (13) can be taken out from the box (1). ​ 2. The aggregate crushing device for cement stabilized macadam according to claim 1, characterized in that: The inlet (3) is communicated with the fixedly installed feeding hopper (20), a plurality of baffle plates (21) are fixedly arranged in the feeding hopper (20) and are staggered and arranged.

3. The aggregate crushing device for cement stabilized macadam according to claim 2, characterized in that: The feeding mechanism comprises a feeding cylinder (30), the feeding cylinder (30) is fixedly installed on the box (1), the first motor (31) is fixedly installed on the feeding cylinder (30), the coaxial first rotating shaft (32) is fixedly installed on the output shaft of the first motor (31), the first rotating shaft (32) is rotatably installed on the feeding cylinder (30), the coaxial first spiral blade (33) is fixedly arranged on the outer periphery of the first rotating shaft (32), the first inlet (34) is formed in the bottom of the feeding cylinder (30), the first discharge port (35) is formed in the top of the feeding cylinder (30), the first inlet (34) is connected with the discharge port (4), the first discharge port (35) is connected with the feeding hopper (20) through the connecting plate (36), the first baffle (37) is arranged on the front and rear sides of the connecting plate (36).

4. The aggregate crushing device for cement stabilized macadam according to claim 1, characterized in that: The inner periphery of the crushing tooth (2) is fixedly provided with the coaxial second rotating shaft (40), the second rotating shaft (40) is rotatably installed on the box (1), one end of one of the second rotating shafts (40) is fixedly connected with the output shaft of the motor (5) and is coaxially arranged, the other end of the second rotating shaft (40) penetrates through the box (1) and is fixedly installed with the gear (41) which is in meshing cooperation.

5. The aggregate crushing device for cement stabilized macadam according to claim 4, characterized in that: The transmission mechanism comprises a first sprocket (50), the first sprocket (50) is fixedly installed on one of the second rotating shafts (40) and is coaxially arranged, the rotating shaft (10) penetrates through the box (1) and is fixedly installed with the coaxial second sprocket (51), the first sprocket (50) and the second sprocket (51) are drivingly connected through the chain (52).

6. The aggregate crushing device for cement stabilized macadam according to claim 1, characterized in that: The outer periphery of the screen cylinder (9) is slidably sleeved with the coaxial first screen cylinder (60), the screen holes on the screen cylinder (9) and the screen holes on the first screen cylinder (60) are correspondingly arranged, and the limiting mechanism for limiting the sliding of the first screen cylinder (60) is arranged on the screen cylinder (9).

7. The aggregate crushing device for cement stabilized macadam according to claim 6, characterized in that: The limiting mechanism comprises threaded holes (70), a plurality of threaded holes (70) are arranged at two ends of the screen cylinder (9) respectively, a plurality of insertion holes (71) are arranged at two ends of the first screen cylinder (60) respectively, bolts (72) are respectively inserted and matched in the insertion holes (71), and the bolts (72) are threadedly matched with the corresponding threaded holes (70).

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